/Engine/Plugins/MeshPainting/Source/MeshPaintingToolset/Public/MeshTexturePaintingTool.h
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UMeshTexturePaintingToolBuilder : public [UInteractiveToolBuilder](API\Runtime\InteractiveToolsFramework\UInteractiveToolBuilder)
TWeakObjectPtr<...
SharedMeshToolData